A supplier first delivers materials on day 1 and serves preliminary notice on day 34. Under the 20-day lookback rule, materials furnished starting on what day are protected?

An $18,500 patio and door replacement contract is a CA home improvement job. What down payment amount is allowed at signing?

A Fresno homeowner wants a $725 cabinet repair and trim adjustment. Which contract step best matches CA home improvement requirements?

A Class B contractor's prime contract includes fire sprinkler work classified as C-16. What must the contractor do for that scope?

A Class B contractor includes water-well drilling classified as C-57 in the overall project. What is the correct licensing path?

A registered home improvement salesperson leaves one contractor and begins selling for another. What must be checked?

A subcontractor's license classification does not cover the trade scope being subcontracted. What should the prime do before award?

A progress payment schedule asks the owner to pay for rough plumbing before that phase starts. What is the best contract-admin correction?

A contractor licensed only as Class B wants to self-perform a C-10 electrical-only service call with no other trades. What is the licensing concern?

A Class B contractor subcontracts electrical work to a properly licensed C-10 subcontractor as part of a multi-trade building project. What is the licensing result?

A material supplier on a San Jose remodel serves a preliminary notice on day 31 after first furnishing materials. Under the CA 20-day notice rule, what work period is protected by that late notice?